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Description:	Ubuntu Saucy Salamander (development branch)
Release:	13.10


[    2.389075] ------------[ cut here ]------------
[    2.389135] WARNING: CPU: 0 PID: 110 at /build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_display.c:1074 assert_pipe+0x82/0xe0 [i915]()
[    2.389161] pipe A assertion failure (expected on, current off)
[    2.389173] Modules linked in: hid_generic usbhid hid i915(+) video(F) i2c_algo_bit drm_kms_helper r8169 drm e100 mii(F) floppy(F)
[    2.389180] CPU: 0 PID: 110 Comm: systemd-udevd Tainted: GF            3.11.0-11-generic #17-Ubuntu
[    2.389181] Hardware name: IBM 830727G/IBM, BIOS 24KT33AGR 12/02/2002
[    2.389190]  00000000 00000000 f6f9d73c c16316eb f6f9d77c f6f9d76c c105273e f8647920
[    2.389197]  f6f9d798 0000006e f8646730 00000432 f86025f2 f86025f2 f6520000 00000041
[    2.389203]  00000000 f6f9d784 c1052793 00000009 f6f9d77c f8647920 f6f9d798 f6f9d7b8
[    2.389204] Call Trace:
[    2.389216]  [<c16316eb>] dump_stack+0x41/0x52
[    2.389223]  [<c105273e>] warn_slowpath_common+0x7e/0xa0
[    2.389258]  [<f86025f2>] ? assert_pipe+0x82/0xe0 [i915]
[    2.389289]  [<f86025f2>] ? assert_pipe+0x82/0xe0 [i915]
[    2.389294]  [<c1052793>] warn_slowpath_fmt+0x33/0x40
[    2.389325]  [<f86025f2>] assert_pipe+0x82/0xe0 [i915]
[    2.389356]  [<f8602946>] intel_enable_pll+0x16/0xd0 [i915]
[    2.389388]  [<f8602e87>] i9xx_crtc_enable+0x67/0x230 [i915]
[    2.389421]  [<f86090e4>] __intel_set_mode+0x694/0x7b0 [i915]
[    2.389455]  [<f860b0e3>] intel_set_mode+0x23/0x40 [i915]
[    2.389488]  [<f860b8ec>] intel_crtc_set_config+0x6fc/0x8f0 [i915]
[    2.389517]  [<f84ec27b>] drm_mode_set_config_internal+0x4b/0xc0 [drm]
[    2.389530]  [<f84882fd>] drm_fb_helper_set_par+0x4d/0xb0 [drm_kms_helper]
[    2.389537]  [<c1358ee2>] fbcon_init+0x482/0x4d0
[    2.389544]  [<c13c979e>] visual_init+0x9e/0x100
[    2.389548]  [<c13cbb6a>] do_bind_con_driver+0x10a/0x2c0
[    2.389553]  [<c11c935b>] ? sysfs_create_file+0x2b/0x30
[    2.389558]  [<c13cc22d>] do_take_over_console+0xfd/0x190
[    2.389562]  [<c1354b9f>] do_fbcon_takeover+0x5f/0xc0
[    2.389565]  [<c1359a2f>] fbcon_event_notify+0x6bf/0x7c0
[    2.389571]  [<c1634440>] ? mutex_lock+0x10/0x28
[    2.389576]  [<c163b421>] notifier_call_chain+0x41/0x60
[    2.389582]  [<c107578b>] __blocking_notifier_call_chain+0x3b/0x60
[    2.389585]  [<c10757cf>] blocking_notifier_call_chain+0x1f/0x30
[    2.389592]  [<c134b036>] fb_notifier_call_chain+0x16/0x20
[    2.389596]  [<c134ca43>] register_framebuffer+0x1b3/0x2e0
[    2.389608]  [<f8487ff4>] drm_fb_helper_initial_config+0x2d4/0x480 [drm_kms_helper]
[    2.389625]  [<f84eaf0b>] ? drm_mode_config_reset+0x9b/0xb0 [drm]
[    2.389632]  [<c1156a29>] ? kmem_cache_alloc_trace+0xe9/0x110
[    2.389643]  [<f84872c8>] ? drm_fb_helper_init+0xa8/0x170 [drm_kms_helper]
[    2.389685]  [<f862a87e>] intel_fbdev_initial_config+0x1e/0x20 [i915]
[    2.389710]  [<f85dedc2>] i915_driver_load+0xd32/0xd60 [i915]
[    2.389734]  [<f85dbe10>] ? i915_switcheroo_set_state+0xa0/0xa0 [i915]
[    2.389756]  [<f84e8443>] drm_get_pci_dev+0x133/0x280 [drm]
[    2.389780]  [<f85da69b>] i915_pci_probe+0x2b/0x60 [i915]
[    2.389787]  [<c132563f>] pci_device_probe+0x6f/0xb0
[    2.389793]  [<c13f6f29>] driver_probe_device+0x79/0x360
[    2.389797]  [<c1325593>] ? pci_match_device+0xb3/0xc0
[    2.389802]  [<c13f72c1>] __driver_attach+0x71/0x80
[    2.389807]  [<c13f7250>] ? __device_attach+0x40/0x40
[    2.389810]  [<c13f5337>] bus_for_each_dev+0x47/0x80
[    2.389813]  [<c13f6a1e>] driver_attach+0x1e/0x20
[    2.389817]  [<c13f7250>] ? __device_attach+0x40/0x40
[    2.389820]  [<c13f6657>] bus_add_driver+0x1c7/0x280
[    2.389824]  [<c1325210>] ? pci_pm_suspend+0x120/0x120
[    2.389828]  [<c1325210>] ? pci_pm_suspend+0x120/0x120
[    2.389831]  [<c13f789a>] driver_register+0x6a/0x130
[    2.389837]  [<c1047190>] ? __set_pmd_pte+0xa0/0xa0
[    2.389841]  [<c1324502>] __pci_register_driver+0x32/0x40
[    2.389858]  [<f84e8685>] drm_pci_init+0xf5/0x100 [drm]
[    2.389862]  [<f849e000>] ? 0xf849dfff
[    2.389885]  [<f849e05e>] i915_init+0x5e/0x60 [i915]
[    2.389890]  [<c10020ca>] do_one_initcall+0xca/0x190
[    2.389898]  [<c10e3248>] ? tracepoint_module_notify+0x118/0x180
[    2.389903]  [<f849e000>] ? 0xf849dfff
[    2.389908]  [<c104860d>] ? set_memory_ro+0x4d/0x50
[    2.389914]  [<c10b4a8e>] load_module+0x10ce/0x18d0
[    2.389920]  [<c10b531f>] SyS_init_module+0x8f/0xf0
[    2.389927]  [<c112eb2b>] ? vm_mmap_pgoff+0x7b/0xa0
[    2.389934]  [<c163ee0d>] sysenter_do_call+0x12/0x28
[    2.389937] ---[ end trace ad94ed24eb926b5c ]---

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: i915
-- 
WARNING: CPU: 0 PID: 110 at /build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_display.c:1074 assert_pipe+0x82/0xe0 [i915]()
https://bugs.launchpad.net/bugs/1234347
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